154009398 has 8 divisors (see below), whose sum is σ = 308018808. Its totient is φ = 51336464.

The previous prime is 154009369. The next prime is 154009417. The reversal of 154009398 is 893900451.

It is a sphenic number, since it is the product of 3 distinct primes.

154009398 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12834111 + ... + 12834122.

It is an arithmetic number, because the mean of its divisors is an integer number (38502351).

Almost surely, 2^154009398 is an apocalyptic number.

154009398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154009398 is a wasteful number, since it uses less digits than its factorization.

154009398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25668238.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 154009398 is about 12410.0522964249. The cubic root of 154009398 is about 536.0217444026.

The spelling of 154009398 in words is "one hundred fifty-four million, nine thousand, three hundred ninety-eight".